class B{
int n;
static int sum=0;
void setN(int n){
  this.n=n;
}
int getSum(){
  for(int i=1;i<=n;i++)
    sum=sum+1;
   return sum;
}
}
public class A{
public static void main(String args[]){
  B b1=new B(),b2=new B();
  b1.setN(3);
  b2.setN(5);
  int s1=b1.getSum();
  int s2=b2.getSum();
  System.out.println(s1+s2);
}
}